private void GetImage()
{
while (_ContinueGetImage)
{
if (FpHandle != IntPtr.Zero)
{
do
{
nRet = HDFingerprintHelper.FpGetImage(FpHandle, 0);
} while (nRet != 0 && _ContinueGetImage);
//用到的函数不是上传原始图像 而是上传BMP指纹图像到文件
if (!File.Exists("finger.bmp"))
{
HDFingerprintHelper.FpUpBMPFile(FpHandle, "finger.bmp", 0);
}
else
{
File.Delete("finger.bmp");
HDFingerprintHelper.FpUpBMPFile(FpHandle, "finger.bmp", 0);
}
if (File.Exists("finger.bmp"))
{
this.Invoke(new UiProcessFunction(UpdateImage), new object[] { "finger.bmp" });
}
}
}
return;
}
private void VerifyFingerPrint()
{
uint16_t fingerID = 0;
uint16_t score = 0;
int stat = 0;
while (true)
{
stat = HDFingerprintHelper.StartVerify(FpHandle, "finger.bmp", ref fingerID, ref score);
Invoke(new UiProcessFunction(UpdateLabel), new object[] { "指纹编号" + fingerID.ToString() + " 得分 " + score.ToString() + " 状态码 " + stat.ToString() });
}
}
private void CaptureFingerString()
{
string fingerStr = "";
HDFingerprintHelper.Enroll_1st("finger.bmp", FpHandle);
Invoke(new UiProcessFunction(UpdateImage), new object[] { "finger.bmp" });
SetControlPropertyThreadSafe(pictureBox1, "Image", new object[] { null });
SetControlPropertyThreadSafe(pictureBox1, "Image", new object[] { Image.FromFile("finger.bmp") });
Invoke(new UiProcessFunction(UpdateLabel), new object[] { "请移开手指" });
HDFingerprintHelper.LiftUrFinger(FpHandle);
Invoke(new UiProcessFunction(UpdateLabel), new object[] { "继续按手指" });
HDFingerprintHelper.Enroll_2nd("finger2.bmp", FpHandle);
SetControlPropertyThreadSafe(pictureBox1, "Image", new object[] { Image.FromFile("finger2.bmp") });
HDFingerprintHelper.GenerateString(FpHandle, ref fingerStr);
Invoke(new UiProcessFunction(UpdateLabel), new object[] { fingerStr });
SetControlPropertyThreadSafe(textBox1, "Text", new object[] { fingerStr });
FingerStrTest = fingerStr;
}
private void button1_Click(object sender, EventArgs e)
{
FpHandle = HDFingerprintHelper.FpOpenUsb(0xFFFFFFFF, 0);
MessageBox.Show(FpHandle.ToString());
HDFingerprintHelper.FpEmpty(FpHandle, 0);
}
private void UploadFingerPrintString()
{
int stat = HDFingerprintHelper.Download1Fingerprint(FpHandle, FingerStrTest, 1);
}
